BR0305987A - Método de preparação de uma polpa - Google Patents

Método de preparação de uma polpa

Info

Publication number
BR0305987A
BR0305987A BR0305987-1A BR0305987A BR0305987A BR 0305987 A BR0305987 A BR 0305987A BR 0305987 A BR0305987 A BR 0305987A BR 0305987 A BR0305987 A BR 0305987A
Authority
BR
Brazil
Prior art keywords
pulp
preparation
bleaching
viscosity
production
Prior art date
Application number
BR0305987-1A
Other languages
English (en)
Portuguese (pt)
Inventor
James E Sealey
W Harvey Persinger
Kent Robarge
Mengkui Luo
Original Assignee
Weyerhaeuser Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32507411&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR0305987(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Weyerhaeuser Co filed Critical Weyerhaeuser Co
Publication of BR0305987A publication Critical patent/BR0305987A/pt

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/02Pretreatment of the raw materials by chemical or physical means
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/08Melt spinning methods
    • D01D5/098Melt spinning methods with simultaneous stretching
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/18Formation of filaments, threads, or the like by means of rotating spinnerets
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/02Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001Modification of pulp properties
    • D21C9/002Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10Bleaching ; Apparatus therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2904Staple length fiber
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913Rod, strand, filament or fiber
    • Y10T428/2933Coated or with bond, impregnation or core
    • Y10T428/2964Artificial fiber or filament
    • Y10T428/2965Cellulosic

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Artificial Filaments (AREA)
  • Compounds Of Unknown Constitution (AREA)
BR0305987-1A 2003-01-02 2003-12-30 Método de preparação de uma polpa BR0305987A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/336,365 US6797113B2 (en) 1999-02-24 2003-01-02 Use of thinnings and other low specific gravity wood for lyocell pulps method

Publications (1)

Publication Number Publication Date
BR0305987A true BR0305987A (pt) 2004-08-17

Family

ID=32507411

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0305987-1A BR0305987A (pt) 2003-01-02 2003-12-30 Método de preparação de uma polpa

Country Status (12)

Country Link
US (1) US6797113B2 (zh)
EP (1) EP1437428B2 (zh)
JP (1) JP4012878B2 (zh)
KR (1) KR100566200B1 (zh)
CN (1) CN1306111C (zh)
AT (1) ATE311488T1 (zh)
BR (1) BR0305987A (zh)
CA (1) CA2453241C (zh)
DE (1) DE60302540T3 (zh)
MX (1) MXPA04000071A (zh)
TW (1) TWI259859B (zh)
ZA (1) ZA200309829B (zh)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6797113B2 (en) * 1999-02-24 2004-09-28 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell pulps method
RU2390760C2 (ru) * 2005-03-04 2010-05-27 ЭфПиИННОВЕЙШНЗ Способ определения числа каппа целлюлозы с помощью спектрометрии в видимом и ближнем инфракрасном диапазоне
US7520958B2 (en) * 2005-05-24 2009-04-21 International Paper Company Modified kraft fibers
CA2608137C (en) 2005-05-24 2013-12-31 International Paper Company Modified kraft fibers
US20080241536A1 (en) * 2007-03-29 2008-10-02 Weyerhaeuser Co. Method for processing cellulose in ionic liquids and fibers therefrom
US9511167B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9512563B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Surface treated modified cellulose from chemical kraft fiber and methods of making and using same
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
CA2949518C (en) 2009-05-28 2019-01-08 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
AU2012268700B2 (en) 2011-05-23 2017-02-02 Gp Cellulose Gmbh Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same
TWI628331B (zh) 2012-01-12 2018-07-01 Gp纖維股份有限公司 具有降低黃化性質之低黏度牛皮紙纖維及其製造與使用方法
EP3495550A1 (en) 2012-04-18 2019-06-12 GP Cellulose GmbH The use of surfactant to treat pulp and improve the incorporation of kraft pulp into fiber for the production of viscose and other secondary fiber products
WO2014122533A2 (en) 2013-02-08 2014-08-14 Gp Cellulose Gmbh Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products
RU2671653C2 (ru) 2013-03-14 2018-11-06 ДжиПи СЕЛЛЬЮЛОУС ГМБХ Способ изготовления высокофункционального маловязкого крафтволокна с использованием последовательности кислотного отбеливания и волокно, изготовленное с помощью этого процесса
CN105143547B (zh) 2013-03-15 2018-05-01 Gp 纤维素股份有限公司 具有增高羧基含量的低粘度牛皮纸纤维及其制造和使用方法
CN103243596B (zh) * 2013-05-17 2016-02-10 济南圣泉集团股份有限公司 一种醋化级浆粕及其制备方法
AT515693B1 (de) * 2014-10-29 2015-11-15 Chemiefaser Lenzing Ag Schnell fibrillierende Lyocellfasern und deren Verwendung
CA3040734A1 (en) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same

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US41961A (en) * 1864-03-15 John hall and heney hall
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US28955A (en) * 1860-07-03 Steam land-cakkiage
US76556A (en) * 1868-04-07 Thomas tostbvin
US34638A (en) * 1862-03-11 Improvement in lamps
US81428A (en) * 1868-08-25 Improved smut-machine
US25251A (en) * 1859-08-30 Improvement in harvesters
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US4295927A (en) * 1979-06-15 1981-10-20 Weyerhaeuser Company Method and apparatus for treating pulp with oxygen and storing the treated pulp
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SE434284B (sv) * 1980-05-07 1984-07-16 Mo Och Domsjoe Ab Forfarande vid syrgasdelignifiering av kemiskt uppsluten cellulosamassa varvid aromatiska diaminer tillfores
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FI102301B (fi) 1994-10-13 1998-11-13 Andritz Oy Menetelmä selluloosamassojen käsittelemiseksi
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DE69617755T2 (de) 1995-03-03 2002-08-08 Twaron Products Bv, Arnhem Zentrifugalspinnverfahren für Spinnlösungen
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US6306334B1 (en) 1996-08-23 2001-10-23 The Weyerhaeuser Company Process for melt blowing continuous lyocell fibers
US6605350B1 (en) 1996-08-23 2003-08-12 Weyerhaeuser Company Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same
US6221487B1 (en) * 1996-08-23 2001-04-24 The Weyerhauser Company Lyocell fibers having enhanced CV properties
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US6471727B2 (en) * 1996-08-23 2002-10-29 Weyerhaeuser Company Lyocell fibers, and compositions for making the same
US6331354B1 (en) * 1996-08-23 2001-12-18 Weyerhaeuser Company Alkaline pulp having low average degree of polymerization values and method of producing the same
ATE245214T1 (de) * 1996-11-21 2003-08-15 Toyo Boseki Fasern aus regenerierte zellulose und verfahren zu ihrer herstellung
AU9778398A (en) 1997-10-01 1999-04-23 Weyerhaeuser Company Cellulose treatment and the resulting product
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US6686039B2 (en) * 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell pulps
US6686040B2 (en) * 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell products
US6685856B2 (en) * 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell products method
US6797113B2 (en) * 1999-02-24 2004-09-28 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell pulps method
US6062931A (en) * 1999-09-01 2000-05-16 Industrial Technology Research Institute Carbon nanotube emitter with triode structure
FI116534B (fi) 2002-03-22 2005-12-15 M Real Oyj Menetelmä kuitumassan kuituominaisuuksien säätämiseksi

Also Published As

Publication number Publication date
KR100566200B1 (ko) 2006-03-29
US6797113B2 (en) 2004-09-28
ZA200309829B (en) 2004-06-22
JP4012878B2 (ja) 2007-11-21
ATE311488T1 (de) 2005-12-15
CN1519424A (zh) 2004-08-11
DE60302540T3 (de) 2008-07-17
TW200420799A (en) 2004-10-16
MXPA04000071A (es) 2004-07-08
DE60302540D1 (de) 2006-01-05
DE60302540T2 (de) 2006-08-10
JP2004211282A (ja) 2004-07-29
CA2453241A1 (en) 2004-07-02
TWI259859B (en) 2006-08-11
KR20040062399A (ko) 2004-07-07
US20030183351A1 (en) 2003-10-02
EP1437428B2 (en) 2008-02-27
CN1306111C (zh) 2007-03-21
EP1437428A1 (en) 2004-07-14
CA2453241C (en) 2008-01-29
EP1437428B1 (en) 2005-11-30

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.